Fairfax, SD Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfax, SD in one place.
Partly sunny. High near 51, with temperatures falling to around 46 in the afternoon. South southeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Fairfax, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 1:55 PM CST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Fairfax, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 1:55 PM CST
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfax
Sunday looks like the warmest upcoming period in Fairfax at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph NW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 1:55 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KLNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 35. South wind around 5 mph.
Sunny. High near 62, with temperatures falling to around 57 in the afternoon. West southwest wind 0 to 5 mph.
Partly cloudy, with a low around 39. West wind 0 to 5 mph.
Sunny, with a high near 66.
Mostly clear, with a low around 46.
Sunny, with a high near 62.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 38.
Sunny, with a high near 61.
Mostly clear, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
51°F |
0 to 10 mph
SSE
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
35°F |
5 mph
S
|
|
Saturday
Nov 7
|
Sunny
|
62°F |
0 to 5 mph
WSW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
39°F |
0 to 5 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
66°F |
5 to 10 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
46°F |
10 mph
SW
|
|
Monday
Nov 9
|
Sunny
|
62°F |
5 to 15 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
37°F |
5 mph
WNW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
61°F |
5 mph
SW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
38°F |
5 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
61°F |
5 mph
WNW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
40°F |
5 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfax.